World politics Foreign relations 65 Military policy 29 National security 18 History 13 United States 13 International relations 11 War on terrorism, 2001- 8 Defenses 7 Forecasting 7 Politics and government 6 Cold War 5 September 11 Terrorist Attacks, 2001 5 21st century 4 Armed Forces 4 Hegemony 4 Security, International 4 Soviet Union 4 Forecasts 3 Great Britain 3 Military planning 3 Nuclear weapons 3 Periodicals 3 Political aspects 3 Terrorism 3 Twenty-first century 3 Air defenses 2 Arms race 2 Balance of power 2 Case studies 2